Optic nerve tortuosity is one of several non malignant abnormalities documented on MR imaging in patients with some eye mass , if MRI is suggestive of tortuos optic nerve than in addition to Intra cranial hypertension , two important possibilities like Neurofibramtosis and Glioma should be ruled out .

So it would be ideal to consult eye dr and ask him to look for such abnormalities .